| Value | Category | Cases | |
|---|---|---|---|
| 7 | 1 |
0%
|
|
| 10 | 1 |
0%
|
|
| 13 | 1 |
0%
|
|
| 20 | 1 |
0%
|
|
| 98 | don't know | 0 |
0%
|
| 99 | not applicable | 2287 |
97.1%
|
| 9999995 | missing:impute | 64 |
2.7%
|
| Sysmiss | 15 |